Home / 977,535,498.38-1,348,989,503.56-531,498,855.74

Finding the Fourth Proportional to 977,535,498.38, 1,348,989,503.56 and 531,498,855.74

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Solution

The fourth proportional to 977,535,498.38, 1,348,989,503.56 and 531,498,855.74 is: 733,463,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,535,498.38 : 1,348,989,503.56 = 531,498,855.74 : x
  2. Step 2: Convert to fraction form
    977,535,498.38/1,348,989,503.56 = 531,498,855.74/x
  3. Step 3: Cross multiply
    977,535,498.38x = 1,348,989,503.56 × 531,498,855.74
  4. Step 4: Simplify right side
    977,535,498.38x = 716,986,377,539,336,960
  5. Step 5: Solve for x
    x = 716,986,377,539,336,960/977,535,498.38
  6. Step 6: Final answer
    x = 733,463,264.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.